EP 4032939 A1 20220727 - RUBBER COMPOSITION AND TIRE OBTAINED USING SAME
Title (en)
RUBBER COMPOSITION AND TIRE OBTAINED USING SAME
Title (de)
KAUTSCHUKZUSAMMENSETZUNG UND DAMIT HERGESTELLTER REIFEN
Title (fr)
COMPOSITION DE CAOUTCHOUC ET PNEU OBTENU À L'AIDE DE CELLE-CI
Publication
Application
Priority
- JP 2019171738 A 20190920
- JP 2020034422 W 20200911
Abstract (en)
The present invention provides: a rubber composition having a good low heat generation property and is excellent in high elastic modulus and fracture resistance, and a tire using the rubber composition. The rubber composition contains a rubber component that contains a diene rubber, and the diene rubber contains a polymer (A) of a copolymer that has, in one molecule, a block moiety containing a urethane backbone segment and a block moiety containing a diene backbone segment.
IPC 8 full level
C08G 81/02 (2006.01); C08G 18/12 (2006.01); C08G 18/69 (2006.01); C08L 9/00 (2006.01); C08L 75/14 (2006.01)
CPC (source: CN EP US)
B60C 1/00 (2013.01 - CN EP US); C08F 297/00 (2013.01 - EP); C08F 299/00 (2013.01 - EP); C08G 18/246 (2013.01 - EP US); C08G 18/3206 (2013.01 - EP US); C08G 18/6588 (2013.01 - EP US); C08G 18/69 (2013.01 - EP US); C08G 18/73 (2013.01 - EP US); C08G 18/74 (2013.01 - EP); C08G 18/76 (2013.01 - EP); C08G 61/00 (2013.01 - EP); C08G 81/024 (2013.01 - CN EP US); C08L 9/00 (2013.01 - CN EP); C08L 75/14 (2013.01 - EP); C08L 87/005 (2013.01 - EP); C08G 2261/42 (2013.01 - EP)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 4032939 A1 20220727; EP 4032939 A4 20221123; CN 114423814 A 20220429; JP WO2021054254 A1 20210325; US 2022372232 A1 20221124; WO 2021054254 A1 20210325
DOCDB simple family (application)
EP 20865539 A 20200911; CN 202080065282 A 20200911; JP 2020034422 W 20200911; JP 2021546646 A 20200911; US 202017761497 A 20200911